The National Hot Rod Association has granted its approval to the 2008 Roush supercharged 4.6-liter V8 in the Stage 3TM and P-51ATM Mustangs. This marks the first time the NHRA has given the nod to an aftermarket powertrain; previous competition powertrains had to be as-delivered by the manufacturer. Depending on…

If you follow gaming or home theater gadgets, you may have heard of the Guitammer ButtKicker system. The core of the system is an electromagnetic piston capable of reproducing low-range frequencies without sound, providing an immersive experience to correspond with music or on-screen action. The NHRA is testing this…